That means before you enter data for the second vehicle, you have to first save the data you entered for the first vehicle. You can solve this problem two ways.

那意味着在输入第二台车辆的数据之前，必须先保存已输入的第一台车辆的数据。

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The problem of fuzzy optimization of two objectives is transformed into single objective problem by means of the fuzziness of optimum solutions of single objective.

通过把单目标最优解模糊化，将双目标模糊优化问题转化为单目标极小化极大问题求解；

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The problem of torsion with rectangular section by means of Kantorovich MWR method is studied, whose aim is to convert two dimension into one dimension and derives approximate solution with MWR.

利用康托·洛维奇-加权残值法求解矩形截面的扭转问题，其实质是将二维问题转化成一维问题，而后采用加权残值法得到问题的近似解。

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Dan Petrescu looks to have recovered from a foot problem which means Vialli has two major decisions - whether to play a three-man central midfield with Gus Poyet in a free role or a normal 4-4-2 formation and also whether to field Jon Harley or Celestine Babayaro at left-back.

BBC: Chelsea look for Dutch courage